HEIDELBERG MATERIALS NE LLC

NPDES permit PA0594415 · Minor NON-POTW · expired, expires 2025-07-10 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2025-07-10 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
104required values missing, on 7 form(s)
0of 22 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (70)

OutfallParameterStatisticLimitMonths
001TurbidityMO AVG <= 40 NTU all year
001TurbidityMO AVG <= 40 NTU all year
001TurbidityDAILY MX <= 80 NTU all year
001TurbidityDAILY MX <= 80 NTU all year
001TurbidityINST MAX <= 100 NTU all year
001TurbidityINST MAX <= 100 NTU all year
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Solids, settleableINST MAX <= .5 mL/L all year
001Oil & GreaseINST MAX report only all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002TurbidityMO AVG <= 40 NTU all year
002TurbidityMO AVG <= 40 NTU all year
002pHINST MIN >= 6 SU all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Oil & GreaseINST MAX report only all year
002Sulfate, total [as SO4]INST MAX report only all year
002Sulfate, total [as SO4]INST MAX report only all year
002Flow, in conduit or thru treatment plantMO AVG <= 1.4 MGD all year
002Flow, in conduit or thru treatment plantMO AVG <= 1.4 MGD all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Solids, total dissolvedINST MAX report only all year
002Solids, total dissolvedINST MAX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states